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"712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f" diff --git a/Cargo.toml b/Cargo.toml index 327eee53..b7fbd203 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -5,10 +5,33 @@ version = "0.1.0" [dependencies] bitflags = "1.0.*" maplit = "1.0.*" +regex = "1.1.*" serde = { version = "1.0.*", features = ["derive"] } serde_yaml = "0.8.*" xkbcommon = { version = "0.4.*", features = ["wayland"] } +[dependencies.gio] +version = "" +features = ["v2_44"] + +[dependencies.glib] +version = "" +features = ["v2_44"] + +[dependencies.glib-sys] +version = "" +features = ["v2_44"] + + +[dependencies.gtk] +version = "0.5.*" +features = ["v3_22"] + +[dependencies.gtk-sys] +version = "" +features = ["v3_22"] + + [lib] name = "rs" path = "src/lib.rs" diff --git a/data/langs/en-US.txt b/data/langs/en-US.txt new file mode 100644 index 00000000..6d1ef2b1 --- /dev/null +++ b/data/langs/en-US.txt @@ -0,0 +1,8 @@ +us English (US) +de German +el Greek +es Spanish +it Italian +jp+kana Japanese (kana) +nb Norwegian + diff --git a/data/langs/pl-PL.txt b/data/langs/pl-PL.txt new file mode 100644 index 00000000..0a26adf3 --- /dev/null +++ b/data/langs/pl-PL.txt @@ -0,0 +1,8 @@ +us angielski (USA) +de niemiecki +el grecki +es hiszpański +it włoski +jp+kana japoński (kana) +nb norweski + diff --git a/data/popup.ui b/data/popup.ui new file mode 100644 index 00000000..9e76694d --- /dev/null +++ b/data/popup.ui @@ -0,0 +1,19 @@ + + + + + + False + + + True + False + vertical + + + main + 1 + + + + diff --git a/data/squeekboard.gresources.xml b/data/squeekboard.gresources.xml index 7287d3c1..8ccee29d 100644 --- a/data/squeekboard.gresources.xml +++ b/data/squeekboard.gresources.xml @@ -29,6 +29,7 @@ keyboards/symbols/ua.xml keyboards/symbols/ug.xml keyboards/symbols/zh-bopomofo.xml + popup.ui icons/key-enter.svg icons/key-shift.svg icons/keyboard-mode-symbolic.svg diff --git a/debian/control b/debian/control index dfa1060c..b11e6a92 100644 --- a/debian/control +++ b/debian/control @@ -12,7 +12,13 @@ Build-Depends: libgtk-3-dev, libcroco3-dev, librust-bitflags-1-dev (>= 1.0), + librust-gio+v2-44-dev, + librust-glib+v2-44-dev, + librust-glib-sys-dev, + librust-gtk+v3-22-dev (>= 0.5), + librust-gtk-sys-dev, librust-maplit-1-dev (>= 1.0), + librust-regex-1-dev (>= 1.1), librust-serde-derive-1-dev (>= 1.0), librust-serde-yaml-0.8-dev (>= 0.8), librust-xkbcommon-0.4+wayland-dev (>= 0.4), diff --git a/eek/eek-gtk-keyboard.c b/eek/eek-gtk-keyboard.c index 0674f103..5d28a764 100644 --- a/eek/eek-gtk-keyboard.c +++ b/eek/eek-gtk-keyboard.c @@ -145,7 +145,7 @@ static void release(EekGtkKeyboard *self, guint32 time) { EekGtkKeyboardPrivate *priv = eek_gtk_keyboard_get_instance_private (self); - squeek_layout_release(priv->keyboard->layout, priv->keyboard->manager->virtual_keyboard, time, self); + squeek_layout_release(priv->keyboard->layout, priv->keyboard->manager->virtual_keyboard, eek_renderer_get_transformation(priv->renderer), time, self); } static gboolean diff --git a/src/action.rs b/src/action.rs index 06f789d8..61660653 100644 --- a/src/action.rs +++ b/src/action.rs @@ -36,4 +36,5 @@ pub enum Action { /// The key events this symbol submits when submitting text is not possible keys: Vec, }, + ShowPreferences, } diff --git a/src/data.rs b/src/data.rs index 0066b8ec..85276346 100644 --- a/src/data.rs +++ b/src/data.rs @@ -509,10 +509,7 @@ fn create_action( &view_names ), }, - Some(Action::ShowPrefs) => ::action::Action::Submit { - text: None, - keys: Vec::new(), - }, + Some(Action::ShowPrefs) => ::action::Action::ShowPreferences, None => ::action::Action::Submit { text: None, keys: keysyms.into_iter().map(::action::KeySym).collect(), diff --git a/src/layout.h b/src/layout.h index ea6ee949..c88bea30 100644 --- a/src/layout.h +++ b/src/layout.h @@ -62,7 +62,10 @@ const char *squeek_layout_get_keymap(const struct squeek_layout*); enum squeek_arrangement_kind squeek_layout_get_kind(const struct squeek_layout *); void squeek_layout_free(struct squeek_layout*); -void squeek_layout_release(struct squeek_layout *layout, struct zwp_virtual_keyboard_v1 *virtual_keyboard, uint32_t timestamp, EekGtkKeyboard *ui_keyboard); +void squeek_layout_release(struct squeek_layout *layout, struct zwp_virtual_keyboard_v1 *virtual_keyboard, + struct transformation widget_to_layout, + uint32_t timestamp, + EekGtkKeyboard *ui_keyboard); void squeek_layout_release_all_only(struct squeek_layout *layout, struct zwp_virtual_keyboard_v1 *virtual_keyboard, uint32_t timestamp); void squeek_layout_depress(struct squeek_layout *layout, struct zwp_virtual_keyboard_v1 *virtual_keyboard, double x_widget, double y_widget, diff --git a/src/layout.rs b/src/layout.rs index 442dc893..27e32cd5 100644 --- a/src/layout.rs +++ b/src/layout.rs @@ -37,6 +37,7 @@ pub mod c { use std::ffi::CStr; use std::os::raw::{ c_char, c_void }; use std::ptr; + use gtk_sys; // The following defined in C @@ -45,7 +46,7 @@ pub mod c { #[repr(transparent)] #[derive(Copy, Clone)] - pub struct EekGtkKeyboard(*const c_void); + pub struct EekGtkKeyboard(pub *const gtk_sys::GtkWidget); /// Defined in eek-types.h #[repr(C)] @@ -245,7 +246,7 @@ pub mod c { origin_y: f64, scale: f64, } - + impl Transformation { fn forward(&self, p: Point) -> Point { Point { @@ -253,6 +254,25 @@ pub mod c { y: (p.y - self.origin_y) / self.scale, } } + fn reverse(&self, p: Point) -> Point { + Point { + x: p.x * self.scale + self.origin_x, + y: p.y * self.scale + self.origin_y, + } + } + pub fn reverse_bounds(&self, b: Bounds) -> Bounds { + let start = self.reverse(Point { x: b.x, y: b.y }); + let end = self.reverse(Point { + x: b.x + b.width, + y: b.y + b.height, + }); + Bounds { + x: start.x, + y: start.y, + width: end.x - start.x, + height: end.y - start.y, + } + } } // This is constructed only in C, no need for warnings @@ -319,28 +339,30 @@ pub mod c { } } + /// Release pointer in the specified position #[no_mangle] pub extern "C" fn squeek_layout_release( layout: *mut Layout, virtual_keyboard: ZwpVirtualKeyboardV1, // TODO: receive a reference to the backend + widget_to_layout: Transformation, time: u32, ui_keyboard: EekGtkKeyboard, ) { + let time = Timestamp(time); let layout = unsafe { &mut *layout }; let virtual_keyboard = VirtualKeyboard(virtual_keyboard); // The list must be copied, // because it will be mutated in the loop for key in layout.pressed_keys.clone() { let key: &Rc> = key.borrow(); - layout.release_key( + ui::release_key( + layout, &virtual_keyboard, - &mut key.clone(), - Timestamp(time) - ); - let view = layout.get_current_view(); - ::layout::procedures::release_ui_buttons( - &view, key, ui_keyboard, + &widget_to_layout, + time, + ui_keyboard, + key ); } } @@ -418,6 +440,7 @@ pub mod c { time: u32, ui_keyboard: EekGtkKeyboard, ) { + let time = Timestamp(time); let layout = unsafe { &mut *layout }; let virtual_keyboard = VirtualKeyboard(virtual_keyboard); @@ -442,36 +465,30 @@ pub mod c { if Rc::ptr_eq(&state, &wrapped_key.0) { found = true; } else { - layout.release_key( + ui::release_key( + layout, &virtual_keyboard, - &mut key.clone(), - Timestamp(time), - ); - let view = layout.get_current_view(); - ::layout::procedures::release_ui_buttons( - &view, key, ui_keyboard, + &widget_to_layout, + time, + ui_keyboard, + key, ); } } if !found { - layout.press_key( - &virtual_keyboard, - &mut state, - Timestamp(time), - ); + layout.press_key(&virtual_keyboard, &mut state, time); unsafe { eek_gtk_on_button_pressed(c_place, ui_keyboard) }; } } else { for wrapped_key in pressed { let key: &Rc> = wrapped_key.borrow(); - layout.release_key( + ui::release_key( + layout, &virtual_keyboard, - &mut key.clone(), - Timestamp(time), - ); - let view = layout.get_current_view(); - ::layout::procedures::release_ui_buttons( - &view, key, ui_keyboard, + &widget_to_layout, + time, + ui_keyboard, + key, ); } } @@ -503,6 +520,28 @@ pub mod c { } } } + + #[cfg(test)] + mod test { + use super::*; + + fn near(a: f64, b: f64) -> bool { + (a - b).abs() < ((a + b) * 0.001f64).abs() + } + + #[test] + fn transform_back() { + let transform = Transformation { + origin_x: 10f64, + origin_y: 11f64, + scale: 12f64, + }; + let point = Point { x: 1f64, y: 1f64 }; + let transformed = transform.reverse(transform.forward(point.clone())); + assert!(near(point.x, transformed.x)); + assert!(near(point.y, transformed.y)); + } + } } } @@ -717,6 +756,12 @@ pub struct Layout { pub keymap_str: CString, // Changeable state // a Vec would be enough, but who cares, this will be small & fast enough + // TODO: turn those into per-input point *_buttons to track dragging. + // The renderer doesn't need the list of pressed keys any more, + // because it needs to iterate + // through all buttons of the current view anyway. + // When the list tracks actual location, + // it becomes possible to place popovers and other UI accurately. pub pressed_keys: HashSet<::util::Pointer>>, pub locked_keys: HashSet<::util::Pointer>>, } @@ -949,6 +994,64 @@ mod procedures { ); } } + + pub fn get_button_bounds( + view: &View, + row: &Row, + button: &Button + ) -> Option { + match &row.bounds { + Some(row) => Some(c::Bounds { + x: view.bounds.x + row.x + button.bounds.x, + y: view.bounds.y + row.y + button.bounds.y, + width: button.bounds.width, + height: button.bounds.height, + }), + _ => None, + } + } +} + +/// Top level UI procedures +mod ui { + use super::*; + + // TODO: turn into release_button + pub fn release_key( + layout: &mut Layout, + virtual_keyboard: &VirtualKeyboard, + widget_to_layout: &c::procedures::Transformation, + time: Timestamp, + ui_keyboard: c::EekGtkKeyboard, + key: &Rc>, + ) { + layout.release_key(virtual_keyboard, &mut key.clone(), time); + + let view = layout.get_current_view(); + let action = RefCell::borrow(key).action.clone(); + if let Action::ShowPreferences = action { + let paths = ::layout::procedures::find_key_paths( + view, key + ); + // getting first item will cause mispositioning + // with more than one button with the same key + // on the keyboard + if let Some((row, button)) = paths.get(0) { + let bounds = ::layout::procedures::get_button_bounds( + view, row, button + ).unwrap_or_else(|| { + eprintln!("BUG: Clicked button has no position?"); + c::Bounds { x: 0f64, y: 0f64, width: 0f64, height: 0f64 } + }); + ::popover::show( + ui_keyboard, + widget_to_layout.reverse_bounds(bounds) + ); + } + } + + procedures::release_ui_buttons(view, key, ui_keyboard); + } } #[cfg(test)] diff --git a/src/lib.rs b/src/lib.rs index d4652349..21bfde8a 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -1,8 +1,14 @@ #[macro_use] extern crate bitflags; +extern crate gio; +extern crate glib; +extern crate glib_sys; +extern crate gtk; +extern crate gtk_sys; #[allow(unused_imports)] #[macro_use] // only for tests extern crate maplit; +extern crate regex; extern crate serde; extern crate xkbcommon; @@ -12,7 +18,10 @@ pub mod float_ord; pub mod imservice; mod keyboard; mod layout; +mod locale; +mod locale_config; mod outputs; +mod popover; mod resources; mod submission; mod util; diff --git a/src/locale.rs b/src/locale.rs new file mode 100644 index 00000000..8333a24d --- /dev/null +++ b/src/locale.rs @@ -0,0 +1,39 @@ +/*! Locale-specific functions */ + +use std::cmp; +use std::ffi::CString; + +mod c { + use std::os::raw::c_char; + + #[allow(non_camel_case_types)] + pub type c_int = i32; + + #[no_mangle] + extern "C" { + // from libc + pub fn strcoll(cs: *const c_char, ct: *const c_char) -> c_int; + } +} + +fn cstring_safe(s: &str) -> CString { + CString::new(s) + .unwrap_or(CString::new("").unwrap()) +} + +pub fn compare_current_locale(a: &str, b: &str) -> cmp::Ordering { + let a = cstring_safe(a); + let b = cstring_safe(b); + let a = a.as_ptr(); + let b = b.as_ptr(); + let result = unsafe { c::strcoll(a, b) }; + if result == 0 { + cmp::Ordering::Equal + } else if result > 0 { + cmp::Ordering::Greater + } else if result < 0 { + cmp::Ordering::Less + } else { + unreachable!() + } +} diff --git a/src/locale_config.rs b/src/locale_config.rs new file mode 100644 index 00000000..0595f2b7 --- /dev/null +++ b/src/locale_config.rs @@ -0,0 +1,541 @@ +/*! Locale detection and management. + * Based on https://github.com/rust-locale/locale_config + * + * Ready for deletion/replacement once Debian starts packaging this, + * although this version doesn't need lazy_static. + * + * Copyright (c) 2016–2019 Jan Hudec + Copyright (c) 2016 A.J. Gardner + Copyright (c) 2019, Bastien Orivel + Copyright (c) 2019, Igor Gnatenko + Copyright (c) 2019, Sophie Tauchert <999eagle@999eagle.moe> + */ + +use regex::Regex; +use std::borrow::Cow; +use std::env; + +/// Errors that may be returned by `locale_config`. +#[derive(Copy,Clone,Debug,PartialEq,Eq)] +pub enum Error { + /// Provided definition was not well formed. + /// + /// This is returned when provided configuration string does not match even the rather loose + /// definition for language range from [RFC4647] or the composition format used by `Locale`. + /// + /// [RFC4647]: https://www.rfc-editor.org/rfc/rfc4647.txt + NotWellFormed, + /// Placeholder for adding more errors in future. **Do not match!**. + __NonExhaustive, +} + +impl ::std::fmt::Display for Error { + fn fmt(&self, out: &mut ::std::fmt::Formatter) -> ::std::fmt::Result { + use ::std::error::Error; + out.write_str(self.description()) + } +} + +impl ::std::error::Error for Error { + fn description(&self) -> &str { + match self { + &Error::NotWellFormed => "Language tag is not well-formed.", + // this is exception: here we do want exhaustive match so we don't publish version with + // missing descriptions by mistake. + &Error::__NonExhaustive => panic!("Placeholder error must not be instantiated!"), + } + } +} + +/// Convenience Result alias. +type Result = ::std::result::Result; + +/// Iterator over `LanguageRange`s for specific category in a `Locale` +/// +/// Returns `LanguageRange`s in the `Locale` that are applicable to provided category. The tags +/// are returned in order of preference, which means the category-specific ones first and then +/// the generic ones. +/// +/// The iterator is guaranteed to return at least one value. +pub struct TagsFor<'a, 'c> { + src: &'a str, + tags: std::str::Split<'a, &'static str>, + category: Option<&'c str>, +} + +impl<'a, 'c> Iterator for TagsFor<'a, 'c> { + type Item = LanguageRange<'a>; + fn next(&mut self) -> Option { + if let Some(cat) = self.category { + while let Some(s) = self.tags.next() { + if s.starts_with(cat) && s[cat.len()..].starts_with("=") { + return Some( + LanguageRange { language: Cow::Borrowed(&s[cat.len()+1..]) }); + } + } + self.category = None; + self.tags = self.src.split(","); + } + while let Some(s) = self.tags.next() { + if s.find('=').is_none() { + return Some( + LanguageRange{ language: Cow::Borrowed(s) }); + } + } + return None; + } +} + +/// Language and culture identifier. +/// +/// This object holds a [RFC4647] extended language range. +/// +/// The internal data may be owned or shared from object with lifetime `'a`. The lifetime can be +/// extended using the `into_static()` method, which internally clones the data as needed. +/// +/// # Syntax +/// +/// The range is composed of `-`-separated alphanumeric subtags, possibly replaced by `*`s. It +/// might be empty. +/// +/// In agreement with [RFC4647], this object only requires that the tag matches: +/// +/// ```ebnf +/// language_tag = (alpha{1,8} | "*") +/// ("-" (alphanum{1,8} | "*"))* +/// ``` +/// +/// The exact interpretation is up to the downstream localization provider, but it expected that +/// it will be matched against a normalized [RFC5646] language tag, which has the structure: +/// +/// ```ebnf +/// language_tag = language +/// ("-" script)? +/// ("-" region)? +/// ("-" variant)* +/// ("-" extension)* +/// ("-" private)? +/// +/// language = alpha{2,3} ("-" alpha{3}){0,3} +/// +/// script = aplha{4} +/// +/// region = alpha{2} +/// | digit{3} +/// +/// variant = alphanum{5,8} +/// | digit alphanum{3} +/// +/// extension = [0-9a-wyz] ("-" alphanum{2,8})+ +/// +/// private = "x" ("-" alphanum{1,8})+ +/// ``` +/// +/// * `language` is an [ISO639] 2-letter or, where not defined, 3-letter code. A code for +/// macro-language might be followed by code of specific dialect. +/// * `script` is an [ISO15924] 4-letter code. +/// * `region` is either an [ISO3166] 2-letter code or, for areas other than countries, [UN M.49] +/// 3-digit numeric code. +/// * `variant` is a string indicating variant of the language. +/// * `extension` and `private` define additional options. The private part has same structure as +/// the Unicode [`-u-` extension][u_ext]. Available options are documented for the facets that +/// use them. +/// +/// The values obtained by inspecting the system are normalized according to those rules. +/// +/// The content will be case-normalized as recommended in [RFC5646] §2.1.1, namely: +/// +/// * `language` is written in lowercase, +/// * `script` is written with first capital, +/// * `country` is written in uppercase and +/// * all other subtags are written in lowercase. +/// +/// When detecting system configuration, additional options that may be generated under the +/// [`-u-` extension][u_ext] currently are: +/// +/// * `cf` — Currency format (`account` for parenthesized negative values, `standard` for minus +/// sign). +/// * `fw` — First day of week (`mon` to `sun`). +/// * `hc` — Hour cycle (`h12` for 1–12, `h23` for 0–23). +/// * `ms` — Measurement system (`metric` or `ussystem`). +/// * `nu` — Numbering system—only decimal systems are currently used. +/// * `va` — Variant when locale is specified in Unix format and the tag after `@` does not +/// correspond to any variant defined in [Language subtag registry]. +/// +/// And under the `-x-` extension, following options are defined: +/// +/// * `df` — Date format: +/// +/// * `iso`: Short date should be in ISO format of `yyyy-MM-dd`. +/// +/// For example `-df-iso`. +/// +/// * `dm` — Decimal separator for monetary: +/// +/// Followed by one or more Unicode codepoints in hexadecimal. For example `-dm-002d` means to +/// use comma. +/// +/// * `ds` — Decimal separator for numbers: +/// +/// Followed by one or more Unicode codepoints in hexadecimal. For example `-ds-002d` means to +/// use comma. +/// +/// * `gm` — Group (thousand) separator for monetary: +/// +/// Followed by one or more Unicode codepoints in hexadecimal. For example `-dm-00a0` means to +/// use non-breaking space. +/// +/// * `gs` — Group (thousand) separator for numbers: +/// +/// Followed by one or more Unicode codepoints in hexadecimal. For example `-ds-00a0` means to +/// use non-breaking space. +/// +/// * `ls` — List separator: +/// +/// Followed by one or more Unicode codepoints in hexadecimal. For example, `-ds-003b` means to +/// use a semicolon. +/// +/// [RFC5646]: https://www.rfc-editor.org/rfc/rfc5646.txt +/// [RFC4647]: https://www.rfc-editor.org/rfc/rfc4647.txt +/// [ISO639]: https://en.wikipedia.org/wiki/ISO_639 +/// [ISO15924]: https://en.wikipedia.org/wiki/ISO_15924 +/// [ISO3166]: https://en.wikipedia.org/wiki/ISO_3166 +/// [UN M.49]: https://en.wikipedia.org/wiki/UN_M.49 +/// [u_ext]: http://www.unicode.org/reports/tr35/#u_Extension +/// [Language subtag registry]: https://www.iana.org/assignments/language-subtag-registry/language-subtag-registry +#[derive(Clone,Debug,Eq,Hash,PartialEq)] +pub struct LanguageRange<'a> { + language: Cow<'a, str> +} + +impl<'a> LanguageRange<'a> { + /// Return LanguageRange for the invariant locale. + /// + /// Invariant language is identified simply by empty string. + pub fn invariant() -> LanguageRange<'static> { + LanguageRange { language: Cow::Borrowed("") } + } + + /// Create language tag from Unix/Linux/GNU locale tag. + /// + /// Unix locale tags have the form + /// + /// > *language* [ `_` *region* ] [ `.` *encoding* ] [ `@` *variant* ] + /// + /// The *language* and *region* have the same format as RFC5646. *Encoding* is not relevant + /// here, since Rust always uses Utf-8. That leaves *variant*, which is unfortunately rather + /// free-form. So this function will translate known variants to corresponding RFC5646 subtags + /// and represent anything else with Unicode POSIX variant (`-u-va-`) extension. + /// + /// Note: This function is public here for benefit of applications that may come across this + /// kind of tags from other sources than system configuration. + pub fn from_unix(s: &str) -> Result> { + let unix_tag_regex = Regex::new(r"(?ix) ^ + (?P [[:alpha:]]{2,3} ) + (?: _ (?P [[:alpha:]]{2} | [[:digit:]]{3} ))? + (?: \. (?P [0-9a-zA-Z-]{1,20} ))? + (?: @ (?P [[:alnum:]]{1,20} ))? + $ ").unwrap(); + + let unix_invariant_regex = Regex::new(r"(?ix) ^ + (?: c | posix ) + (?: \. (?: [0-9a-zA-Z-]{1,20} ))? + $ ").unwrap(); + + if let Some(caps) = unix_tag_regex.captures(s) { + let src_variant = caps.name("variant").map(|m| m.as_str()).unwrap_or("").to_ascii_lowercase(); + let mut res = caps.name("language").map(|m| m.as_str()).unwrap().to_ascii_lowercase(); + let region = caps.name("region").map(|m| m.as_str()).unwrap_or(""); + let mut script = ""; + let mut variant = ""; + let mut uvariant = ""; + match src_variant.as_ref() { + // Variants seen in the wild in GNU LibC (via http://lh.2xlibre.net/) or in Debian + // GNU/Linux Stretch system. Treatment of things not found in RFC5646 subtag registry + // (http://www.iana.org/assignments/language-subtag-registry/language-subtag-registry) + // or CLDR according to notes at https://wiki.openoffice.org/wiki/LocaleMapping. + // Dialects: + // aa_ER@saaho - NOTE: Can't be found under that name in RFC5646 subtag registry, + // but there is language Saho with code ssy, which is likely that thing. + "saaho" if res == "aa" => res = String::from("ssy"), + // Scripts: + // @arabic + "arabic" => script = "Arab", + // @cyrillic + "cyrl" => script = "Cyrl", + "cyrillic" => script = "Cyrl", + // @devanagari + "devanagari" => script = "Deva", + // @hebrew + "hebrew" => script = "Hebr", + // tt@iqtelif + // Neither RFC5646 subtag registry nor CLDR knows anything about this, but as best + // as I can tell it is Tatar name for Latin (default is Cyrillic). + "iqtelif" => script = "Latn", + // @Latn + "latn" => script = "Latn", + // @latin + "latin" => script = "Latn", + // en@shaw + "shaw" => script = "Shaw", + // Variants: + // sr@ijekavianlatin + "ijekavianlatin" => { + script = "Latn"; + variant = "ijekavsk"; + }, + // sr@ije + "ije" => variant = "ijekavsk", + // sr@ijekavian + "ijekavian" => variant = "ijekavsk", + // ca@valencia + "valencia" => variant = "valencia", + // Currencies: + // @euro - NOTE: We follow suite of Java and Openoffice and ignore it, because it + // is default for all locales where it sometimes appears now, and because we use + // explicit currency in monetary formatting anyway. + "euro" => {}, + // Collation: + // gez@abegede - NOTE: This is collation, but CLDR does not have any code for it, + // so we for the moment leave it fall through as -u-va- instead of -u-co-. + // Anything else: + // en@boldquot, en@quot, en@piglatin - just randomish stuff + // @cjknarrow - beware, it's gonna end up as -u-va-cjknarro due to lenght limit + s if s.len() <= 8 => uvariant = &*s, + s => uvariant = &s[0..8], // the subtags are limited to 8 chars, but some are longer + }; + if script != "" { + res.push('-'); + res.push_str(script); + } + if region != "" { + res.push('-'); + res.push_str(&*region.to_ascii_uppercase()); + } + if variant != "" { + res.push('-'); + res.push_str(variant); + } + if uvariant != "" { + res.push_str("-u-va-"); + res.push_str(uvariant); + } + return Ok(LanguageRange { + language: Cow::Owned(res) + }); + } else if unix_invariant_regex.is_match(s) { + return Ok(LanguageRange::invariant()) + } else { + return Err(Error::NotWellFormed); + } + } +} + +impl<'a> AsRef for LanguageRange<'a> { + fn as_ref(&self) -> &str { + self.language.as_ref() + } +} + +/// Locale configuration. +/// +/// Users may accept several languages in some order of preference and may want to use rules from +/// different culture for some particular aspect of the program behaviour, and operating systems +/// allow them to specify this (to various extent). +/// +/// The `Locale` objects represent the user configuration. They contain: +/// +/// - The primary `LanguageRange`. +/// - Optional category-specific overrides. +/// - Optional fallbacks in case data (usually translations) for the primary language are not +/// available. +/// +/// The set of categories is open-ended. The `locale` crate uses five well-known categories +/// `messages`, `numeric`, `time`, `collate` and `monetary`, but some systems define additional +/// ones (GNU Linux has additionally `paper`, `name`, `address`, `telephone` and `measurement`) and +/// these are provided in the user default `Locale` and other libraries can use them. +/// +/// `Locale` is represented by a `,`-separated sequence of tags in `LanguageRange` syntax, where +/// all except the first one may be preceded by category name and `=` sign. +/// +/// The first tag indicates the default locale, the tags prefixed by category names indicate +/// _overrides_ for those categories and the remaining tags indicate fallbacks. +/// +/// Note that a syntactically valid value of HTTP `Accept-Language` header is a valid `Locale`. Not +/// the other way around though due to the presence of category selectors. +// TODO: Interning +#[derive(Clone,Debug,Eq,Hash,PartialEq)] +pub struct Locale { + // TODO: Intern the string for performance reasons + // XXX: Store pre-split to LanguageTags? + inner: String, +} + +impl Locale { + /// Construct invariant locale. + /// + /// Invariant locale is represented simply with empty string. + pub fn invariant() -> Locale { + Locale::from(LanguageRange::invariant()) + } + + /// Append fallback language tag. + /// + /// Adds fallback to the end of the list. + pub fn add(&mut self, tag: &LanguageRange) { + for i in self.inner.split(',') { + if i == tag.as_ref() { + return; // don't add duplicates + } + } + self.inner.push_str(","); + self.inner.push_str(tag.as_ref()); + } + + /// Append category override. + /// + /// Appending new override for a category that already has one will not replace the existing + /// override. This might change in future. + pub fn add_category(&mut self, category: &str, tag: &LanguageRange) { + if self.inner.split(',').next().unwrap() == tag.as_ref() { + return; // don't add useless override equal to the primary tag + } + for i in self.inner.split(',') { + if i.starts_with(category) && + i[category.len()..].starts_with("=") && + &i[category.len() + 1..] == tag.as_ref() { + return; // don't add duplicates + } + } + self.inner.push_str(","); + self.inner.push_str(category); + self.inner.push_str("="); + self.inner.push_str(tag.as_ref()); + } + + /// Iterate over `LanguageRange`s in this `Locale` applicable to given category. + /// + /// Returns `LanguageRange`s in the `Locale` that are applicable to provided category. The tags + /// are returned in order of preference, which means the category-specific ones first and then + /// the generic ones. + /// + /// The iterator is guaranteed to return at least one value. + pub fn tags_for<'a, 'c>(&'a self, category: &'c str) -> TagsFor<'a, 'c> { + let mut tags = self.inner.split(","); + while let Some(s) = tags.clone().next() { + if s.starts_with(category) && s[category.len()..].starts_with("=") { + return TagsFor { + src: self.inner.as_ref(), + tags: tags, + category: Some(category), + }; + } + tags.next(); + } + return TagsFor { + src: self.inner.as_ref(), + tags: self.inner.split(","), + category: None, + }; + } +} + +/// Locale is specified by a string tag. This is the way to access it. +// FIXME: Do we want to provide the full string representation? We would have it as single string +// then. +impl AsRef for Locale { + fn as_ref(&self) -> &str { + self.inner.as_ref() + } +} + +impl<'a> From> for Locale { + fn from(t: LanguageRange<'a>) -> Locale { + Locale { + inner: t.language.into_owned(), + } + } +} + +fn tag(s: &str) -> Result { + LanguageRange::from_unix(s) +} + +// TODO: Read /etc/locale.alias +fn tag_inv(s: &str) -> LanguageRange { + tag(s).unwrap_or(LanguageRange::invariant()) +} + +pub fn system_locale() -> Option { + // LC_ALL overrides everything + if let Ok(all) = env::var("LC_ALL") { + if let Ok(t) = tag(all.as_ref()) { + return Some(Locale::from(t)); + } + } + // LANG is default + let mut loc = + if let Ok(lang) = env::var("LANG") { + Locale::from(tag_inv(lang.as_ref())) + } else { + Locale::invariant() + }; + // category overrides + for &(cat, var) in [ + ("ctype", "LC_CTYPE"), + ("numeric", "LC_NUMERIC"), + ("time", "LC_TIME"), + ("collate", "LC_COLLATE"), + ("monetary", "LC_MONETARY"), + ("messages", "LC_MESSAGES"), + ("paper", "LC_PAPER"), + ("name", "LC_NAME"), + ("address", "LC_ADDRESS"), + ("telephone", "LC_TELEPHONE"), + ("measurement", "LC_MEASUREMENT"), + ].iter() { + if let Ok(val) = env::var(var) { + if let Ok(tag) = tag(val.as_ref()) + { + loc.add_category(cat, &tag); + } + } + } + // LANGUAGE defines fallbacks + if let Ok(langs) = env::var("LANGUAGE") { + for i in langs.split(':') { + if i != "" { + if let Ok(tag) = tag(i) { + loc.add(&tag); + } + } + } + } + if loc.as_ref() != "" { + return Some(loc); + } else { + return None; + } +} + +#[cfg(test)] +mod test { + use super::LanguageRange; + + #[test] + fn unix_tags() { + assert_eq!("cs-CZ", LanguageRange::from_unix("cs_CZ.UTF-8").unwrap().as_ref()); + assert_eq!("sr-RS-ijekavsk", LanguageRange::from_unix("sr_RS@ijekavian").unwrap().as_ref()); + assert_eq!("sr-Latn-ijekavsk", LanguageRange::from_unix("sr.UTF-8@ijekavianlatin").unwrap().as_ref()); + assert_eq!("en-Arab", LanguageRange::from_unix("en@arabic").unwrap().as_ref()); + assert_eq!("en-Arab", LanguageRange::from_unix("en.UTF-8@arabic").unwrap().as_ref()); + assert_eq!("de-DE", LanguageRange::from_unix("DE_de.UTF-8@euro").unwrap().as_ref()); + assert_eq!("ssy-ER", LanguageRange::from_unix("aa_ER@saaho").unwrap().as_ref()); + assert!(LanguageRange::from_unix("foo_BAR").is_err()); + assert!(LanguageRange::from_unix("en@arabic.UTF-8").is_err()); + assert_eq!("", LanguageRange::from_unix("C").unwrap().as_ref()); + assert_eq!("", LanguageRange::from_unix("C.UTF-8").unwrap().as_ref()); + assert_eq!("", LanguageRange::from_unix("C.ISO-8859-1").unwrap().as_ref()); + assert_eq!("", LanguageRange::from_unix("POSIX").unwrap().as_ref()); + } +} diff --git a/src/popover.h b/src/popover.h new file mode 100644 index 00000000..1b164e5a --- /dev/null +++ b/src/popover.h @@ -0,0 +1,9 @@ +#ifndef POPOVER_H__ +#define POPOVER_H__ + +#include +#include "eek/eek-keyboard.h" + +void squeek_popover_show(GtkWidget*, struct button_place); + +#endif diff --git a/src/popover.rs b/src/popover.rs new file mode 100644 index 00000000..c9b60fb7 --- /dev/null +++ b/src/popover.rs @@ -0,0 +1,190 @@ +/*! The layout chooser popover */ + +use gio; +use gtk; +use ::layout::c::EekGtkKeyboard; +use ::locale::compare_current_locale; +use ::locale_config::system_locale; +use ::resources; + +use gio::ActionExt; +use gio::ActionMapExt; +use gio::SettingsExt; +use glib::translate::FromGlibPtrNone; +use glib::variant::ToVariant; +use gtk::PopoverExt; +use gtk::WidgetExt; +use std::io::Write; + +mod variants { + use glib; + use glib_sys; + + use glib::translate::FromGlibPtrFull; + use glib::translate::ToGlibPtr; + + /// Unpacks tuple & array variants + fn get_items(items: glib::Variant) -> Vec { + let variant_naked = items.to_glib_none().0; + let count = unsafe { glib_sys::g_variant_n_children(variant_naked) }; + (0..count).map(|index| + unsafe { + glib::Variant::from_glib_full( + glib_sys::g_variant_get_child_value(variant_naked, index) + ) + } + ).collect() + } + + /// Unpacks "a(ss)" variants + pub fn get_tuples(items: glib::Variant) -> Vec<(String, String)> { + get_items(items) + .into_iter() + .map(get_items) + .map(|v| { + ( + v[0].get::().unwrap(), + v[1].get::().unwrap(), + ) + }) + .collect() + } +} + +fn make_menu_builder(inputs: Vec<(&str, &str)>) -> gtk::Builder { + let mut xml: Vec = Vec::new(); + writeln!( + xml, + " + + +
" + ).unwrap(); + for (input_name, human_name) in inputs { + writeln!( + xml, + " + + {} + layout + {} + ", + human_name, + input_name, + ).unwrap(); + } + writeln!( + xml, + " +
+ +" + ).unwrap(); + gtk::Builder::new_from_string( + &String::from_utf8(xml).expect("Bad menu definition") + ) +} + +fn set_layout(kind: String, name: String) { + let settings = gio::Settings::new("org.gnome.desktop.input-sources"); + let inputs = settings.get_value("sources").unwrap(); + let inputs = variants::get_tuples(inputs).into_iter(); + for (index, (ikind, iname)) in inputs.enumerate() { + if (&ikind, &iname) == (&kind, &name) { + settings.set_uint("current", index as u32); + } + } + settings.apply(); +} + +pub fn show(window: EekGtkKeyboard, position: ::layout::c::Bounds) { + unsafe { gtk::set_initialized() }; + let window = unsafe { gtk::Widget::from_glib_none(window.0) }; + + let settings = gio::Settings::new("org.gnome.desktop.input-sources"); + let inputs = settings.get_value("sources").unwrap(); + let current = settings.get_uint("current") as usize; + let inputs = variants::get_tuples(inputs); + + let input_names: Vec<&str> = inputs.iter() + .map(|(_kind, name)| name.as_str()) + .collect(); + + let translations = system_locale() + .map(|locale| + locale.tags_for("messages") + .next().unwrap() // guaranteed to exist + .as_ref() + .to_owned() + ) + .and_then(|lang| resources::get_layout_names(lang.as_str())); + + // sorted collection of human and machine names + let mut human_names: Vec<(&str, &str)> = match translations { + Some(translations) => { + input_names.iter() + .map(|name| (*name, *translations.get(name).unwrap_or(name))) + .collect() + }, + // display bare codes + None => { + input_names.iter() + .map(|n| (*n, *n)) // turns &&str into &str + .collect() + } + }; + + human_names.sort_unstable_by(|(_, human_label_a), (_, human_label_b)| { + compare_current_locale(human_label_a, human_label_b) + }); + + let builder = make_menu_builder(human_names); + // Much more debuggable to populate the model & menu + // from a string representation + // than add items imperatively + let model: gio::MenuModel = builder.get_object("app-menu").unwrap(); + + let menu = gtk::Popover::new_from_model(Some(&window), &model); + menu.set_pointing_to(>k::Rectangle { + x: position.x.ceil() as i32, + y: position.y.ceil() as i32, + width: position.width.floor() as i32, + height: position.width.floor() as i32, + }); + + let initial_state = input_names[current].to_variant(); + + let layout_action = gio::SimpleAction::new_stateful( + "layout", + Some(initial_state.type_()), + &initial_state, + ); + + let action_group = gio::SimpleActionGroup::new(); + action_group.add_action(&layout_action); + + menu.insert_action_group("popup", Some(&action_group)); + menu.bind_model(Some(&model), Some("popup")); + + menu.connect_closed(move |_menu| { + let state = match layout_action.get_state() { + Some(v) => { + let s = v.get::().or_else(|| { + eprintln!("Variant is not string: {:?}", v); + None + }); + // FIXME: the `get_state` docs call for unrefing, + // but the function is nowhere to be found + // glib::Variant::unref(v); + s + }, + None => { + eprintln!("No variant selected"); + None + }, + }; + set_layout("xkb".into(), state.unwrap_or("us".into())); + }); + + menu.popup(); +} diff --git a/src/resources.rs b/src/resources.rs index c5840873..4255753d 100644 --- a/src/resources.rs +++ b/src/resources.rs @@ -2,6 +2,13 @@ * This could be done using GResource, but that would need additional work. */ +use std::collections::HashMap; + +use std::iter::FromIterator; + +// TODO: keep a list of what is a language layout, +// and what a convenience layout. "_wide" is not a layout, +// neither is "number" const KEYBOARDS: &[(*const str, *const str)] = &[ ("us", include_str!("../data/keyboards/us.yaml")), ("us_wide", include_str!("../data/keyboards/us_wide.yaml")), @@ -28,3 +35,76 @@ pub fn get_keyboard(needle: &str) -> Option<&'static str> { unsafe { &*value } }) } + +/// Translations of the layout identifier strings +const LAYOUT_NAMES: &[(*const str, *const str)] = &[ + ("en-US", include_str!("../data/langs/en-US.txt")), + ("pl-PL", include_str!("../data/langs/pl-PL.txt")), +]; + +pub fn get_layout_names(lang: &str) + -> Option> +{ + let translations = LAYOUT_NAMES.iter() + .find(|(name, _data)| { + let name: *const str = *name; + (unsafe { &*name }) == lang + }) + .map(|(_name, data)| { + let data: *const str = *data; + unsafe { &*data } + }); + translations.map(make_mapping) +} + +fn parse_line(line: &str) -> Option<(&str, &str)> { + let comment = line.trim().starts_with("#"); + if comment { + None + } else { + let mut iter = line.splitn(2, " "); + let name = iter.next().unwrap(); + // will skip empty and unfinished lines + iter.next().map(|tr| (name, tr.trim())) + } +} + +fn make_mapping(data: &str) -> HashMap<&str, &str> { + HashMap::from_iter( + data.split("\n") + .filter_map(parse_line) + ) +} + +#[cfg(test)] +mod test { + use super::*; + + #[test] + fn mapping_line() { + assert_eq!( + Some(("name", "translation")), + parse_line("name translation") + ); + } + + #[test] + fn mapping_bad() { + assert_eq!(None, parse_line("bad")); + } + + #[test] + fn mapping_empty() { + assert_eq!(None, parse_line("")); + } + + #[test] + fn mapping_comment() { + assert_eq!(None, parse_line("# comment")); + } + + #[test] + fn mapping_comment_offset() { + assert_eq!(None, parse_line(" # comment")); + } +} diff --git a/src/submission.rs b/src/submission.rs index 17b3bfa9..476605a8 100644 --- a/src/submission.rs +++ b/src/submission.rs @@ -23,6 +23,7 @@ pub mod c { } } +#[derive(Clone, Copy)] pub struct Timestamp(pub u32); /// Layout-independent backend. TODO: Have one instance per program or seat